{
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\begin{tabular}{l*{6}{c}}
\toprule
 & \multicolumn{3}{c}{Panel A: $ \beta^{ER} $ } & \multicolumn{3}{c}{Panel B: $ \beta^{COL} $} \\ \cmidrule(lr){2-4} \cmidrule(lr){5-7} 
 & Non-Single & Single  & All & Non-Single & Single & All  \\
 &(1)&(2)&(3)&(4)&(5)&(6) \\ \midrule
\addlinespace
Baseline    &    2.380\sym{***}&   -1.656\sym{*}  &    1.141\sym{**} &   -1.234\sym{*}  &   -1.379\sym{*}  &   -1.262\sym{**} \\
                &  (0.702)         &  (0.991)         &  (0.577)         &  (0.743)         &  (0.772)         &  (0.531)         \\
\addlinespace
Experimental    &    2.977\sym{**} &   -4.964\sym{**} &    0.867         &    0.353         &    1.663         &    0.662         \\
                &  (1.331)         &  (1.974)        &  (1.151)         &  (1.160)         &  (1.286)         &  (0.881)         \\
\addlinespace
Experimental, Long Term&    1.993\sym{*}  &   -5.285\sym{***}&   -0.029         &    1.662\sym{*}  &    0.251         &    1.012         \\
                &  (1.188)         &  (1.984)         &  (1.071)         &  (1.005)         &  (1.359)         &  (0.821)         \\
\midrule
\addlinespace
Experimental, Falsification & -0.007 & 0.040 & 0.004 & 0.037 & 0.021 & 0.031  \\
 & (0.998) & (1.732) & (0.837) & (0.855) & (1.123) &  (0.651) \\
\bottomrule
\end{tabular}
}
